CN105429542B - A kind of discrimination method of permanent-magnetism synchronous motor permanent magnetic magnetic linkage - Google Patents
A kind of discrimination method of permanent-magnetism synchronous motor permanent magnetic magnetic linkage Download PDFInfo
- Publication number
- CN105429542B CN105429542B CN201510870682.6A CN201510870682A CN105429542B CN 105429542 B CN105429542 B CN 105429542B CN 201510870682 A CN201510870682 A CN 201510870682A CN 105429542 B CN105429542 B CN 105429542B
- Authority
- CN
- China
- Prior art keywords
- msub
- phase
- mrow
- synchronous motor
- permanent magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Ac Motors In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention discloses a kind of discrimination methods of permanent-magnetism synchronous motor permanent magnetic magnetic linkage, comprise the concrete steps that：By permanent magnet synchronous motor neutral point and direct voltage source neutral earthing, the voltage for making permanent magnet synchronous motor neutral point is 0；By three-phase full-bridge inverter turn on process and the on off operating mode of afterflow process power tube and fly-wheel diode, permanent magnet synchronous electric set end voltage is determined, the voltage of the neutral point is subtracted with the terminal voltage, obtains permanent magnet synchronous motor phase voltage；Using the phase voltage and the permanent magnet synchronous motor phase current detected by current sensor, according to permanent magnet synchronous motor phase voltage equilibrium equation, permanent magnet synchronous motor three-phase opposite potential is calculated；The permanent magnet synchronous motor three-phase opposite potential is integrated to obtain three-phase permanent magnetic linkage, is converted by CLARK, the three-phase permanent flux linkage vector is synthesized, obtains permanent-magnetism synchronous motor permanent magnetic magnetic linkage.The required parameter of electric machine of the present invention is few, and calculation amount is small, and identification precision is high, and real-time is good.
Description
Technical field
The present invention relates to a kind of permanent magnet synchronous motor more particularly to a kind of identification sides of permanent-magnetism synchronous motor permanent magnetic magnetic linkage
Method belongs to permanent magnet synchronous motor control field.
Background technology
Permanent magnet synchronous motor has many advantages, such as simple in structure, power density is high, control is simple.In recent years, permanent magnetism is same
Step motor has obtained increasingly extensive application in the industrial circles such as high-performance governing system and servo-control system.
High-performance permanent magnet synchronous motor control system needs accurate permanent magnet flux linkage information.But permanent magnet flux linkage fluctuates and loss of excitation
It can cause the motor feels hot to be deteriorated with torque performance, motor is possible out of control under serious conditions and scraps.At present, well known existing skill
Art is from design of electrical motor angle, optimizes magnetic structure, reduces loss of excitation risk, and such method belongs to static prevention scheme.And
To the loss of excitation in motor operation, often to arrive after triggering obvious fault and just shut down detection, can only be known as offline after a kind of loss of excitation
Analysis method, the loss of excitation degree that can trigger failure are often very serious.
Therefore, the permanent magnet flux linkage identification effect of the prior art is difficult to meet the requirement of permanent magnet synchronous motor high performance control.Such as
What real-time accurate recognition permanent-magnetism synchronous motor permanent magnetic magnetic linkage, is that the prior art has the problem of to be solved.
The content of the invention
The purpose of the present invention is to solve motor permanent magnet flux linkages in permanent magnet synchronous motor high performance control to be difficult to real-time standard
Really the problem of identification, and propose a kind of discrimination method of permanent-magnetism synchronous motor permanent magnetic magnetic linkage.
In order to achieve the above object, the technical solution used in the present invention is：
A kind of discrimination method of permanent-magnetism synchronous motor permanent magnetic magnetic linkage, includes the following steps：
(1) by permanent magnet synchronous motor neutral point and direct voltage source neutral earthing, so as to permanent magnet synchronous motor neutral point
Voltage is 0；
(2) permanent magnet synchronous motor A, B, C three-phase terminal voltage and phase voltage are determined；
(3) detect permanent magnet synchronous motor A, B, C three-phase phase current, with reference to foregoing phase voltage, calculate permanent magnet synchronous motor A,
B, C three-phases opposite potential；
(4) permanent magnet synchronous motor A, B, C three-phase opposite potential is integrated to obtain three-phase permanent magnetic linkage, then passed through
CLARK is converted, and the three-phase permanent flux linkage vector is synthesized, obtains permanent-magnetism synchronous motor permanent magnetic magnetic linkage.
In above-mentioned steps (2), the definite method of permanent magnet synchronous motor A, B, C three-phase terminal voltage is：First determine whether that three-phase is complete
Bridge inverter is operated in turn on process or afterflow process, and when being operated in turn on process, permanent magnet synchronous motor A, B, C three phase terminals are electric
Pressure is determined by the state of power tube：If the upper bridge arm power tube of certain phase is open-minded, which is direct voltage source
Amplitude 1/2, polarity for just, if the lower bridge arm power tube of certain phase is open-minded, which is direct voltage source amplitude
1/2, polarity be negative；When being operated in afterflow process, the shape that permanent magnet synchronous motor A, B, C three-phase terminal voltage passes through fly-wheel diode
State determines：If the upper bridge arm fly-wheel diode of certain phase is open-minded, which is the 1/2 of direct voltage source amplitude, pole
Property for just, if the lower bridge arm fly-wheel diode of certain phase is open-minded, the phase terminal voltage numerical value for direct voltage source amplitude 1/2, pole
Property is negative.
Above-mentioned judgement three-phase full-bridge inverter is operated in turn on process or the method for afterflow process：Detect three phase full bridge
Whether inverter power pipe is all off, when three-phase full-bridge inverter power tube is not all of shut-off, then shows three phase full bridge
Inverter is on process；When three-phase full-bridge inverter power tube is all off, then show that three-phase full-bridge inverter is in continuous
Stream process.
In above-mentioned steps (2), the definite method of permanent magnet synchronous motor A, B, C three-phase phase voltage is：By permanent magnet synchronous motor
A, B, C three-phase terminal voltage subtract the voltage of neutral point, obtain permanent magnet synchronous motor phase voltage, since the voltage of neutral point is 0, therefore
Phase voltage is identical with terminal voltage.
The method of above-mentioned steps (3) is：Utilize current sensor detection permanent magnet synchronous motor A, B, C three-phase phase current ia、
ib、ic, in conjunction with A, B, C three-phase phase voltage u in step (2)a、ub、uc, permanent magnet synchronous motor phase voltage balance side according to the following formula
Permanent magnet synchronous motor three-phase opposite potential e is calculated in journeya、eb、ec：
Wherein, Ra、Rb、RcRespectively permanent magnet synchronous motor A, B, C three-phases phase resistance, La、Lb、LcRespectively permanent magnet synchronous electric
Machine A, B, C three-phase phase inductance.
The method of above-mentioned steps (4) is：The permanent magnet synchronous motor three-phase opposite potential obtained to step (3) using following formula into
Row integration, obtains three-phase permanent magnetic linkage ψra、ψrb、ψrc：
Following formula is recycled, is converted by CLARK, the three-phase permanent flux linkage vector is synthesized, obtains permanent magnet synchronous motor
Permanent magnet flux linkage ψrα、ψrβ：
Compared with prior art, the required parameter of electric machine is few, simple in structure, and calculation amount is small for the method for the present invention, identification essence
Degree is high, and real-time is good.
Description of the drawings
Fig. 1 is a kind of discrimination method flow chart of permanent-magnetism synchronous motor permanent magnetic magnetic linkage.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing, to the present invention into
Row is further to be described in detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, it is not used to
Limit the present invention.
Shown in Fig. 1, for a kind of discrimination method of permanent-magnetism synchronous motor permanent magnetic magnetic linkage of the present invention, comprise the following steps：
(1) by permanent magnet synchronous motor neutral point and direct voltage source neutral earthing, so as to by permanent magnet synchronous motor neutral point
Voltage clamping be 0；
(2) power tube during three-phase full-bridge inverter turn on process and afterflow and the break-make shape of fly-wheel diode are passed through
State determines permanent magnet synchronous electric set end voltage；The voltage of the neutral point is subtracted with the terminal voltage, obtains permanent magnet synchronous motor phase
Voltage；
It, can be according to the conducting of three-phase full-bridge inverter work when determining the terminal voltage of permanent magnet synchronous motor A, B, C three-phase
Whether two kinds of situations of process and afterflow process consider respectively, specifically can all off by detecting three-phase full-bridge inverter power tube
Judge that three-phase full-bridge inverter is operated in turn on process or afterflow process, specifically, when three-phase full-bridge inverter work(
When rate pipe is not all of shut-off, then show that three-phase full-bridge inverter is on process；When three-phase full-bridge inverter power tube is complete
Portion turns off, then shows that three-phase full-bridge inverter is in afterflow process.
In the state that three-phase full-bridge inverter turn on process, permanent magnet synchronous motor A, B, C three-phase terminal voltage pass through power tube
It determines：If the upper bridge arm power tube of certain phase is open-minded, which is the 1/2 of direct voltage source amplitude, polarity be just,
If the lower bridge arm power tube of certain phase is open-minded, which is the 1/2 of direct voltage source amplitude, polarity is negative.
In three-phase full-bridge inverter afterflow process, permanent magnet synchronous motor A, B, C three-phase terminal voltage passes through fly-wheel diode
State determines：Since afterflow process three-phase full-bridge inverter power tube is all off, permanent magnet synchronous motor A, B, C are each mutually by each
The fly-wheel diode afterflow uniquely opened from the three-phase full-bridge inverter bridge arm connected, if upper two pole of bridge arm afterflow of certain phase
Manage open-minded, then the phase terminal voltage numerical value is the 1/2 of direct voltage source amplitude, polarity is just, if two pole of lower bridge arm afterflow of certain phase
Manage open-minded, then the phase terminal voltage numerical value is the 1/2 of direct voltage source amplitude, polarity is negative.
Above-mentioned terminal voltage is subtracted to the voltage of above-mentioned neutral point, obtains permanent magnet synchronous motor phase voltage, due to above-mentioned neutrality
The voltage of point is 0, therefore phase voltage is identical with above-mentioned terminal voltage：A phase phase voltages uaEqual to A phase terminal voltages, B phase phase voltages ubEqual to B
Phase terminal voltage, C phase phase voltages ucEqual to C phase terminal voltages.
(3) current sensor detection permanent magnet synchronous motor A, B, C three-phase phase current i is utilizeda、ib、ic, in conjunction with foregoing phase
Voltage ua、ub、uc, permanent magnet synchronous motor phase voltage equilibrium equation, it is electric on the contrary to be calculated permanent magnet synchronous motor three-phase according to the following formula
Gesture ea、eb、ec：
Wherein, Ra、Rb、RcRespectively permanent magnet synchronous motor A, B, C three-phases phase resistance, La、Lb、LcRespectively permanent magnet synchronous electric
Machine A, B, C three-phase phase inductance.
(4) the permanent magnet synchronous motor three-phase opposite potential that step (3) obtains using following formula is integrated, obtains three-phase forever
Magnetic magnetic linkage ψra、ψrb、ψrc：
Following formula is recycled, is converted by CLARK, the three-phase permanent flux linkage vector is synthesized, obtains permanent magnet synchronous motor
Permanent magnet flux linkage ψrα、ψrβ：
Above example is merely illustrative of the invention's technical idea, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within the scope of the present invention
Within.
Claims (1)
1. a kind of discrimination method of permanent-magnetism synchronous motor permanent magnetic magnetic linkage, it is characterised in that include the following steps：
(1) by permanent magnet synchronous motor neutral point and direct voltage source neutral earthing, so as to the voltage of permanent magnet synchronous motor neutral point
For 0；
(2) permanent magnet synchronous motor A, B, C three-phase terminal voltage and phase voltage are determined；
(3) permanent magnet synchronous motor A, B, C three-phase phase current is detected, with reference to foregoing phase voltage, calculates permanent magnet synchronous motor A, B, C tri-
Phase opposite potential；
(4) permanent magnet synchronous motor A, B, C three-phase opposite potential is integrated to obtain three-phase permanent magnetic linkage, then is become by CLARK
It changes, the three-phase permanent flux linkage vector is synthesized, obtains permanent-magnetism synchronous motor permanent magnetic magnetic linkage；
In wherein described step (2), the definite method of permanent magnet synchronous motor A, B, C three-phase terminal voltage is：First determine whether that three-phase is complete
Bridge inverter is operated in turn on process or afterflow process, and when being operated in turn on process, permanent magnet synchronous motor A, B, C three phase terminals are electric
Pressure is determined by the state of power tube：If the upper bridge arm power tube of certain phase is open-minded, which is direct voltage source
Amplitude 1/2, polarity for just, if the lower bridge arm power tube of certain phase is open-minded, which is direct voltage source amplitude
1/2, polarity be negative；When being operated in afterflow process, the shape that permanent magnet synchronous motor A, B, C three-phase terminal voltage passes through fly-wheel diode
State determines：If the upper bridge arm fly-wheel diode of certain phase is open-minded, which is the 1/2 of direct voltage source amplitude, pole
Property for just, if the lower bridge arm fly-wheel diode of certain phase is open-minded, the phase terminal voltage numerical value for direct voltage source amplitude 1/2, pole
Property is negative；
The judgement three-phase full-bridge inverter, which is operated in turn on process or the method for afterflow process, is：Detect three phase full bridge inversion
Whether device power tube is all off, when three-phase full-bridge inverter power tube is not all of shut-off, then shows three phase full bridge inversion
Device is on process；When three-phase full-bridge inverter power tube is all off, then show that three-phase full-bridge inverter is in afterflow
Journey；
In the step (2), the definite method of permanent magnet synchronous motor A, B, C three-phase phase voltage is：By permanent magnet synchronous motor A, B, C
Three-phase terminal voltage subtracts the voltage of neutral point, obtains permanent magnet synchronous motor phase voltage, since the voltage of neutral point is 0, therefore mutually electricity
Pressure is identical with terminal voltage；
The detailed content of the step (3) is：Utilize current sensor detection permanent magnet synchronous motor A, B, C three-phase phase current ia、
ib、ic, in conjunction with A, B, C three-phase phase voltage u in step (2)a、ub、uc, permanent magnet synchronous motor phase voltage balance side according to the following formula
Permanent magnet synchronous motor three-phase opposite potential e is calculated in journeya、eb、ec：
<mfenced open = "{" close = "">
<mtable>
<mtr>
<mtd>
<mrow>
<msub>
<mi>e</mi>
<mi>a</mi>
</msub>
<mo>=</mo>
<msub>
<mi>u</mi>
<mi>a</mi>
</msub>
<mo>-</mo>
<msub>
<mi>i</mi>
<mi>a</mi>
</msub>
<msub>
<mi>R</mi>
<mi>a</mi>
</msub>
<mo>-</mo>
<msub>
<mi>L</mi>
<mi>a</mi>
</msub>
<mfrac>
<mrow>
<msub>
<mi>di</mi>
<mi>a</mi>
</msub>
</mrow>
<mrow>
<mi>d</mi>
<mi>t</mi>
</mrow>
</mfrac>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<msub>
<mi>e</mi>
<mi>b</mi>
</msub>
<mo>=</mo>
<msub>
<mi>u</mi>
<mi>b</mi>
</msub>
<mo>-</mo>
<msub>
<mi>i</mi>
<mi>b</mi>
</msub>
<msub>
<mi>R</mi>
<mi>b</mi>
</msub>
<mo>-</mo>
<msub>
<mi>L</mi>
<mi>b</mi>
</msub>
<mfrac>
<mrow>
<msub>
<mi>di</mi>
<mi>b</mi>
</msub>
</mrow>
<mrow>
<mi>d</mi>
<mi>t</mi>
</mrow>
</mfrac>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<msub>
<mi>e</mi>
<mi>c</mi>
</msub>
<mo>=</mo>
<msub>
<mi>u</mi>
<mi>c</mi>
</msub>
<mo>-</mo>
<msub>
<mi>i</mi>
<mi>c</mi>
</msub>
<msub>
<mi>R</mi>
<mi>c</mi>
</msub>
<mo>-</mo>
<msub>
<mi>L</mi>
<mi>c</mi>
</msub>
<mfrac>
<mrow>
<msub>
<mi>di</mi>
<mi>c</mi>
</msub>
</mrow>
<mrow>
<mi>d</mi>
<mi>t</mi>
</mrow>
</mfrac>
</mrow>
</mtd>
</mtr>
</mtable>
</mfenced>
Wherein, Ra、Rb、RcRespectively permanent magnet synchronous motor A, B, C three-phases phase resistance, La、Lb、LcRespectively permanent magnet synchronous motor A,
B, C three-phases phase inductance；
The method that the step (4) calculates permanent-magnetism synchronous motor permanent magnetic magnetic linkage is, to above-mentioned permanent magnet synchronous motor A, B, C three-phase phase
Back-emf integrates to obtain three-phase permanent magnetic linkage ψra、ψrb、ψrc：
<mfenced open = "{" close = "">
<mtable>
<mtr>
<mtd>
<mrow>
<msub>
<mi>&psi;</mi>
<mrow>
<mi>r</mi>
<mi>a</mi>
</mrow>
</msub>
<mo>=</mo>
<mo>&Integral;</mo>
<msub>
<mi>e</mi>
<mi>a</mi>
</msub>
<mi>d</mi>
<mi>t</mi>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<msub>
<mi>&psi;</mi>
<mrow>
<mi>r</mi>
<mi>b</mi>
</mrow>
</msub>
<mo>=</mo>
<mo>&Integral;</mo>
<msub>
<mi>e</mi>
<mi>b</mi>
</msub>
<mi>d</mi>
<mi>t</mi>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<msub>
<mi>&psi;</mi>
<mrow>
<mi>r</mi>
<mi>c</mi>
</mrow>
</msub>
<mo>=</mo>
<mo>&Integral;</mo>
<msub>
<mi>e</mi>
<mi>c</mi>
</msub>
<mi>d</mi>
<mi>t</mi>
</mrow>
</mtd>
</mtr>
</mtable>
</mfenced>
It is converted by CLARK, the three-phase permanent flux linkage vector is synthesized, obtains permanent-magnetism synchronous motor permanent magnetic magnetic linkage ψrα、ψrβ：
<mrow>
<mfenced open = "{" close = "">
<mtable>
<mtr>
<mtd>
<mrow>
<msub>
<mi>&psi;</mi>
<mrow>
<mi>r</mi>
<mi>&alpha;</mi>
</mrow>
</msub>
<mo>=</mo>
<mfrac>
<mn>2</mn>
<mn>3</mn>
</mfrac>
<msub>
<mi>&psi;</mi>
<mrow>
<mi>r</mi>
<mi>a</mi>
</mrow>
</msub>
<mo>-</mo>
<mfrac>
<mn>1</mn>
<mn>3</mn>
</mfrac>
<msub>
<mi>&psi;</mi>
<mrow>
<mi>r</mi>
<mi>b</mi>
</mrow>
</msub>
<mo>-</mo>
<mfrac>
<mn>1</mn>
<mn>3</mn>
</mfrac>
<msub>
<mi>&psi;</mi>
<mrow>
<mi>r</mi>
<mi>c</mi>
</mrow>
</msub>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<msub>
<mi>&psi;</mi>
<mrow>
<mi>r</mi>
<mi>&beta;</mi>
</mrow>
</msub>
<mo>=</mo>
<mfrac>
<msqrt>
<mn>3</mn>
</msqrt>
<mn>3</mn>
</mfrac>
<msub>
<mi>&psi;</mi>
<mrow>
<mi>r</mi>
<mi>b</mi>
</mrow>
</msub>
<mo>-</mo>
<mfrac>
<msqrt>
<mn>3</mn>
</msqrt>
<mn>3</mn>
</mfrac>
<msub>
<mi>&psi;</mi>
<mrow>
<mi>r</mi>
<mi>c</mi>
</mrow>
</msub>
</mrow>
</mtd>
</mtr>
</mtable>
</mfenced>
<mo>.</mo>
</mrow>
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870682.6A CN105429542B (en) | 2015-12-02 | 2015-12-02 | A kind of discrimination method of permanent-magnetism synchronous motor permanent magnetic magnetic linkage |
| CN201810327520.1A CN108599653B (en) | 2015-12-02 | 2015-12-02 | Identification method for permanent magnet flux linkage of permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510870682.6A CN105429542B (en) | 2015-12-02 | 2015-12-02 | A kind of discrimination method of permanent-magnetism synchronous motor permanent magnetic magnetic linkage |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810327520.1A Division CN108599653B (en) | 2015-12-02 | 2015-12-02 | Identification method for permanent magnet flux linkage of permanent magnet synchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105429542A CN105429542A (en) | 2016-03-23 |
| CN105429542B true CN105429542B (en) | 2018-05-25 |
Family
ID=55507522
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510870682.6A Active CN105429542B (en) | 2015-12-02 | 2015-12-02 | A kind of discrimination method of permanent-magnetism synchronous motor permanent magnetic magnetic linkage |
| CN201810327520.1A Withdrawn - After Issue CN108599653B (en) | 2015-12-02 | 2015-12-02 | Identification method for permanent magnet flux linkage of permanent magnet synchronous motor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810327520.1A Withdrawn - After Issue CN108599653B (en) | 2015-12-02 | 2015-12-02 | Identification method for permanent magnet flux linkage of permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105429542B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717453B (en) * | 2016-03-25 | 2018-10-23 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of detection method of motor magnetic linkage and the detection method of electrical fault |
| CN106992728A (en) * | 2017-04-22 | 2017-07-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Permagnetic synchronous motor torsion compensation process, permagnetic synchronous motor compensation device |
| CN114337431B (en) * | 2021-12-31 | 2023-06-27 | 上海儒竞智控技术有限公司 | Permanent magnet synchronous motor flux linkage identification method, system, medium and terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702607A (en) * | 2009-11-20 | 2010-05-05 | 江苏科技大学 | Stator flux linkage set method of brushless DC motor direct torque control |
| CN103516267A (en) * | 2012-06-27 | 2014-01-15 | 珠海格力电器股份有限公司 | Method and system for starting permanent magnet synchronous fan motor for air conditioner |
| CN103647492A (en) * | 2013-06-19 | 2014-03-19 | 江苏科技大学 | Brushless direct-current motor stator flux linkage identification method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10174484A (en) * | 1996-12-10 | 1998-06-26 | Zexel Corp | Dc brushless motor driver |
-
2015
- 2015-12-02 CN CN201510870682.6A patent/CN105429542B/en active Active
- 2015-12-02 CN CN201810327520.1A patent/CN108599653B/en not_active Withdrawn - After Issue
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702607A (en) * | 2009-11-20 | 2010-05-05 | 江苏科技大学 | Stator flux linkage set method of brushless DC motor direct torque control |
| CN103516267A (en) * | 2012-06-27 | 2014-01-15 | 珠海格力电器股份有限公司 | Method and system for starting permanent magnet synchronous fan motor for air conditioner |
| CN103647492A (en) * | 2013-06-19 | 2014-03-19 | 江苏科技大学 | Brushless direct-current motor stator flux linkage identification method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105429542A (en) | 2016-03-23 |
| CN108599653A (en) | 2018-09-28 |
| CN108599653B (en) | 2020-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103647492B (en) | A kind of discrimination method of brushless DC motor stator magnetic linkage | |
| CN104360171A (en) | Method for measuring inductance parameter of permanent magnet synchronous motor | |
| CN104811102B (en) | The control system and parameter identification method of permagnetic synchronous motor | |
| CN105429542B (en) | A kind of discrimination method of permanent-magnetism synchronous motor permanent magnetic magnetic linkage | |
| CN104836499B (en) | Permanent magnet synchronous motor alternating-axis and direct-axis inductance parameter online identification method and system | |
| CN108183651A (en) | A kind of control method of permanent magnet linear synchronous motor position-sensor-free | |
| JP2016082709A (en) | Controller for induction motor | |
| CN105553373A (en) | Permanent magnet synchronous motor control method and device | |
| US20140026681A1 (en) | Method and apparatus for determining an electrical torque of an electrical machine | |
| JP5472222B2 (en) | Control device for permanent magnet type synchronous motor | |
| CN105471335B (en) | A kind of discrimination method of permanent-magnetic synchronous motor stator magnetic linkage | |
| JPWO2019155585A1 (en) | Motor control device and cable disconnection detection method | |
| CN105406777B (en) | A kind of detection device and detection method of permanent-magnetic synchronous motor stator magnetic linkage | |
| CN105429519B (en) | A kind of detection device and detection method of permanent-magnetism synchronous motor permanent magnetic magnetic linkage | |
| CN105406782B (en) | A kind of discrimination method of permanent-magnet synchronous motor rotor position | |
| CN104272418B (en) | Transformer inrush current suppression apparatus | |
| CN105527498B (en) | The detection method and device of electric car and its high voltage component insulation against ground resistance | |
| CN102368674B (en) | Method and system for resolving position of switched reluctance motor rotor | |
| CN105391350A (en) | Detection device and method for phase counterelectromotive forces of permanent magnet synchronous motor (PMSM) | |
| CN105510825B (en) | A kind of asynchronous machine leakage inductance measuring method for eliminating non-linear factor | |
| CN105490593B (en) | A kind of discrimination method of brshless DC motor generator rotor angle | |
| CN105429520B (en) | A kind of discrimination method of permanent magnet synchronous motor rotating speed | |
| CN105406787A (en) | Power angle identification method of permanent-magnet synchronous motor | |
| CN105515471B (en) | A kind of detection device and detection method of permanent-magnet synchronous motor rotor position | |
| JP6108109B2 (en) | Control device for permanent magnet type synchronous motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Han Qingjiang Inventor before: Zhang Yi Inventor before: Xia Jianhui |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180418 Address after: 266000 Licang, Qingdao, No. nine East water road, No. 320, No. Applicant after: Qingdao Aipu Intelligent Instrument Co., Ltd. Address before: Meng Xi Road 212003 Zhenjiang city of Jiangsu province Jingkou District No. 2 Applicant before: Jiangsu University of Science and Technology |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |